Sodium Metabisulfite 97% Na2s2o5 Salt Food Grade and Industrial Grade

• CAS No.: 7681-57-4
• Formula: Na2s2o5
• EINECS: 231-673-0
• Composition: Sodium Metabisulphite
• Type: Sodium Metabisulphite
• Resource: Organic Chemical Preservatives
• Model NO.: Food Grade and Tech grade
• Transport Package: 25kg Per Bag
• Specification: food grade and tech grade
• Trademark: LAMBERT
• Origin: China
• HS Code: 28321000

Product Description

Sodium Metabisulphite-Food Grade

Molecular Formula: Na2S2O5
Molecule Weight: 190.10
Appearance: White or light yellow crystalline powder

Specification:
 

ITEMS	Food Grade	Industry Grade
Purity ( As Na2S2O5)	98.0% min	97.0% min
Sulfur Dioxide( SO2)	65.0% min	65.0% min
Arsenic ( As )	0.0002% max	-
Heavy metals ( As Pb )	0.0005% max	-
Selenium (Se )	0.0005% max	-
Iron (Fe)	0.001% max	0.002% max
Water insoluble	0.02% max	0.05% max
PH value	4.0-4.8	4.0-4.8
Remark	Conformed with FCC V and E 223 Standard

Main uses:

1. Medicine industry: Used for manufacturing trichloromethane, sulphetrone and benzaldohyde.

2. Rubber industry: Used as coagulative agent.

3. Dye-industry: Used as dechlorination agent and cotton boiling-off agent for bleached cotton.

4. Leather industry: It can make leather soft, well-developed, tough water proof, wear-ability Chemical  

5. Industry Used for manufacturing hydrochloride hydroxylamine and etc.

6. Light-sensitive industry: Used as developer and others.

7. Flotation reagent, mining industry chemicals

Packaging:

In 25kg or 50kg or 1000kgs net polythene plastic bag with a polypropylene overbag, paper-plastic composite bag, kraft bag, etc.